11087898845 has 4 divisors (see below), whose sum is σ = 13305478620. Its totient is φ = 8870319072.

The previous prime is 11087898823. The next prime is 11087898863. The reversal of 11087898845 is 54889878011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54889878011 = 103 ⋅532911437.

It can be written as a sum of positive squares in 2 ways, for example, as 6255702649 + 4832196196 = 79093^2 + 69514^2 .

It is a cyclic number.

It is not a de Polignac number, because 11087898845 - 2⁸ = 11087898589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108789880 + ... + 1108789889.

It is an arithmetic number, because the mean of its divisors is an integer number (3326369655).

Almost surely, 2^11087898845 is an apocalyptic number.

It is an amenable number.

11087898845 is a deficient number, since it is larger than the sum of its proper divisors (2217579775).

11087898845 is an equidigital number, since it uses as much as digits as its factorization.

11087898845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217579774.

The product of its (nonzero) digits is 5160960, while the sum is 59.

The spelling of 11087898845 in words is "eleven billion, eighty-seven million, eight hundred ninety-eight thousand, eight hundred forty-five".